HIGH FLY-ASH CONCRETES

被引：0

作者：

HAQUE, MN ^{[1
]}

LANGAN, BW ^{[1
]}

WARD, MA ^{[1
]}

机构：

[1] UNIV CALGARY,DEPT CIVIL ENGN,CALGARY T2N 1N4,ALBERTA,CANADA

来源：

JOURNAL OF THE AMERICAN CONCRETE INSTITUTE | 1984年 / 81卷 / 01期

关键词：

PAVEMENTS; -; Concrete;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Concretes containing fly ash up to 75 percent by weight of the cementitious material have properties that make them attractive as a subbase or base course component in pavement construction. This paper describes an extensive laboratory study of air-entrained high fly ash concrete mixes (air entrained and non-air entrained) of medium to low workability suitable for placement by slipforming and roller compaction, respectively. The concretes were characterized as to their compressive, indirect tension, and flexural strengths; drying shrinkage; and freeze-thaw durability. It is confirmed that cohesive nonsegregating concretes can be manufactured containing 40 to 75 percent fly ash in the cementitious fraction.

引用

页码：54 / 60

页数：7

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